#include<stdio.h>

char *getWorld(char);

char *getWorld(char c)
{
	switch(c)
	{
		case 'A':
			return "Apple";
		case 'B':
			return "Banana";
		case 'C':
			return "Cat";
		case 'D':
			return "Dog";
		default:
			return "None";
	}
}


int main()
{
	char input;

	printf("请输入一个字母:\n");
	scanf("%c",&input);

	printf("%s\n",getWorld(input));
	
	return 0;
}
